Doctor profile · Federal record

Dr. William Cheslock, OD

Optometrist (CMS: Optometry) · Longview, WA

  • NPI 1649368200
  • Accepts Medicare
  • MIPS 94.2 / 100 · 2023
  • 46 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
950 11Th Ave
Longview, WA 986322504
(360) 577-1500
fax (360) 577-0735

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 15, 2009
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Washington #OD00001352
Medicaid
WA #2010593

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649368200. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,367
Distinct HCPCS
9
Medicare allowed
$111,802
HCPCS Description Services Patients Avg allowed
92250 Photography of the retina 318 296 $38
99213 Established patient office or other outpatient visit, 20-29 minutes 257 169 $91
99214 Established patient office or other outpatient visit, 30-39 minutes 236 160 $129
92014 Established patient complete exam of visual system 231 225 $129
92134 Imaging of retina 184 159 $40
92083 Exam of visual field with extended testing 90 87 $64
66984 Removal of cataract with insertion of prosthetic lens 19 15 $109
92285 Photography of content of eyes 18 18 $24
92133 Imaging of optic nerve 14 14 $35

In context: peer comparison

Among 6 peers in Longview Optometrist, average services per provider: 105. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$249
Transactions
7
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Bausch & Lomb Americas INC. 5 $197.55
Alcon Vision LLC 1 $33.74
Sun Pharmaceutical Industries INC. 1 $17.97

By nature of payment

Food and Beverage
$249

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
280
Patients
94
Total drug cost
$7,093
Drug Type Claims Patients Total cost
Brimonidine Tartrate Generic 100 24 $1,910
Latanoprost Generic 73 16 $1,681
Ofloxacin Generic 34 20 $589
Prednisolone Acetate Generic 27 18 $1,197
Dorzolamide Hcl Generic 24 0 $679
Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) Brand 22 16 $1,037

Frequently asked questions

Auto-generated from federal data
What is Dr. William Cheslock's medical specialty?
Dr. William Cheslock practices Optometrist in Longview, WA.
Where does Dr. William Cheslock practice?
Dr. William Cheslock practices at 950 11Th Ave, Longview, WA 986322504. Office phone: 3605771500.
What is Dr. William Cheslock's NPI?
Dr. William Cheslock's National Provider Identifier (NPI) is 1649368200, issued by NPPES.
Does Dr. William Cheslock accept Medicare assignment?
Yes. Dr. William Cheslock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Cheslock commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.